Answer:
0,4a+5c, at:a=3√25, c= √ 81
0,4a+5c, at:a=3(5), c=9
0,4a+5c, at:a=15, c=9
0,4(15)+5(9)
0,60+45
now I don't know if this is what you wanted and to be honest I have never seen a question like this before. Just know that im so sorry if this is wrong...Gl
Step-by-step explanation:
